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Change-Id: I9bf53792f9fc30570e81a8d80d296c681d005ea7
(cherry picked from commit 0c7f116bb6950ef819323d855415b2f2b0aad987)
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Change-Id: I07d935f8793ee8ec6b7da003f6483046594bca49
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186263 91177308-0d34-0410-b5e6-96231b3b80d8
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exact/nsw/nuw shifts and have instcombine infer them when it can prove
that the relevant properties are true for a given shift without them.
Also, a variety of refactoring to use the new patternmatch logic thrown
in for good luck. I believe that this takes care of a bunch of related
code quality issues attached to PR8862.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125267 91177308-0d34-0410-b5e6-96231b3b80d8
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order to reduce ((x<<30)>>24) to x<<6, check the
correct bits. PR 8547.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118665 91177308-0d34-0410-b5e6-96231b3b80d8
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